The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 27 May 2025 06:25 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	16509	367184	3.16%	14100	26.04	AMAZON-02, US
2	8151	223304	1.92%	12204	18.30	UNINET, MX
3	9829	130887	1.13%	2035	64.32	BSNL-NIB National Internet Backbone, IN
4	36903	84725	0.73%	1250	67.78	MT-MPLS, MA
5	4155	81386	0.70%	2769	29.39	USDA-1, US
6	45899	78063	0.67%	3287	23.75	VNPT-AS-VN VNPT Corp, VN
7	5371	71569	0.62%	550	130.13	DNIC-ASBLK-05120-05376, US
8	7552	63930	0.55%	3916	16.33	VIETEL-AS-AP Viettel Group, VN
9	58224	63802	0.55%	1273	50.12	TCI, IR
10	13188	59624	0.51%	1606	37.13	TRIOLAN, UA
11	25048	56532	0.49%	5	11306.40	DSNET DSNet, GB
12	28391	55300	0.48%	159	347.80	Universidad Juarez Autonoma de Tabasco, MX
13	28135	52089	0.45%	65	801.37	ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
14	35819	46795	0.40%	613	76.34	MOBILY-AS Etihad Etisalat Company Mobily, SA
15	7713	42156	0.36%	3715	11.35	TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
16	11664	41398	0.36%	1207	34.30	Techtel LMDS Comunicaciones Interactivas S.A., AR
17	209181	41125	0.35%	43	956.40	ZENEX5IVE-NL, GB
18	5056	39959	0.34%	234	170.76	AUREON-5056, US
19	150706	39244	0.34%	93	421.98	HKZTCL-AS-AP Hong Kong Zhengxing Technology Co., Ltd., HK
20	19429	37275	0.32%	703	53.02	ETB - Colombia, CO
21	10620	37160	0.32%	3501	10.61	Telmex Colombia S.A., CO
22	42337	36333	0.31%	694	52.35	RESPINA-AS, IR
23	36914	35495	0.31%	571	62.16	KENET-AS, KE
24	17794	34049	0.29%	13	2619.15	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
25	13490	33659	0.29%	709	47.47	BUCKEYECABLEVISION, US
26	174	33452	0.29%	3594	9.31	COGENT-174, US
27	203214	33199	0.29%	915	36.28	HULUMTELE, IQ
28	12479	32875	0.28%	7777	4.23	UNI2-AS, ES
29	17049	32489	0.28%	63	515.70	MBO-NET, US
30	984	31806	0.27%	1266	25.12	OWS-NETWORK, US
31	18403	31289	0.27%	4538	6.89	FPT-AS-AP FPT Telecom Company, VN
32	197207	31056	0.27%	747	41.57	MCCI-AS, IR
33	211306	30991	0.27%	14	2213.64	TREADSTONE-AS, RO
34	20473	30964	0.27%	1328	23.32	AS-VULTR, US
35	263069	29782	0.26%	14	2127.29	BRT Comercio de Produtos de Informatica LTDA, BR
36	262756	29079	0.25%	15	1938.60	Ligga Telecomunicacoes S.A., BR
37	28186	28556	0.25%	115	248.31	ITS TELECOMUNICACOES LTDA, BR
38	17995	27960	0.24%	604	46.29	SOLUSINET-AS-ID PT iForte Global Internet, ID
39	28657	27370	0.24%	2	13685.00	MD Brasil - Tecnologia da Informacao Ltda, BR
40	367	26297	0.23%	2820	9.33	DNIC-ASBLK-00306-00371, US
41	25454	25998	0.22%	46	565.17	ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
42	63376	25808	0.22%	2	12904.00	TOUCHTONE-CUSTS, US
43	28640	25420	0.22%	248	102.50	VIPWay Telecomunicacoes Ltda, BR
44	8376	25087	0.22%	688	36.46	Jordan Data Communications, JO
45	137951	25082	0.22%	694	36.14	ASLINE-AS-AP ASLINE LIMITED, HK
46	44244	24672	0.21%	541	45.60	IRANCELL-AS, IR
47	8551	24362	0.21%	1627	14.97	BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL
48	27046	24200	0.21%	494	48.99	DNIC-ASBLK-27032-27159, US
49	8369	23035	0.20%	60	383.92	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
50	9583	22966	0.20%	1925	11.93	SIFY-AS-IN Sify Limited, IN
Total		2556838	22.04%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	25048	18844.0	0.49%	5	56532	DSNET DSNet, GB
2	138071	14038.0	0.12%	1	14038	IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
3	28657	13685.0	0.24%	2	27370	MD Brasil - Tecnologia da Informacao Ltda, BR
4	63376	12904.0	0.22%	2	25808	TOUCHTONE-CUSTS, US
5	17794	11349.7	0.29%	13	34049	HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
6	397829	7379.0	0.06%	1	7379	SCC-INET-01, CA
7	396950	5766.0	0.05%	1	5766	COMSTBARTH-AS, FR
8	263561	5763.0	0.10%	4	11526	RODRIGO BORGHI DA SILVA & CIA LTDA, BR
9	401698	5320.0	0.05%	1	5320	NJCL-AS, US
10	201643	4626.5	0.16%	4	18506	EGOV66-AS, RU
11	50674	4556.0	0.04%	1	4556	SPBEX-AS, RU
12	886	3964.0	0.03%	1	3964	SBH-IX-SERVICES, FR
13	265566	3454.8	0.15%	5	17274	TELESISTEMAS PENINSULARES SA DE CV, MX
14	7954	3373.3	0.09%	3	10120	IMMENSE-NETWORKS, US
15	51408	2784.0	0.02%	1	2784	SIRIUS-AS, RU
16	2603	2653.0	0.02%	11	2653	NORDUNET, DK
17	40474	2614.5	0.05%	4	5229	IRONCLOUD, CA
18	268817	2526.6	0.11%	5	12633	Acelera Telecom, BR
19	25454	2363.5	0.22%	46	25998	ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
20	211306	2213.6	0.27%	14	30991	TREADSTONE-AS, RO
21	263069	2127.3	0.26%	14	29782	BRT Comercio de Produtos de Informatica LTDA, BR
22	29469	2079.0	0.02%	1	2079	GTU Khmelnitsky, Ukraine, UA
23	136867	2074.0	0.05%	3	6222	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
24	32685	2073.0	0.02%	1	2073	AEG-VISION, US
25	31104	2042.0	0.04%	2	4084	EVACY, FR
26	262756	1938.6	0.25%	15	29079	Ligga Telecomunicacoes S.A., BR
27	13341	1904.0	0.07%	5	7616	TRANQUILITY, US
28	2199	1895.0	0.10%	12	11370	FR-DOM-MARTINIQUE Iles de la Martinique, EU
29	265953	1874.2	0.06%	4	7497	INNOVA TECNOLOGIA E SERVICOS LTDA., BR
30	45720	1862.0	0.02%	2	1862	IDNIC-LPDB-AS-ID Lembaga Pengelola Dana Bergulir, ID
31	267660	1751.5	0.03%	5	3503	T & S SERVICO DE COMUNICACAO MULTIMIDIA LTDA, BR
32	56639	1715.0	0.01%	1	1715	LNET-COM-UA-AS, UA
33	7540	1626.4	0.11%	118	13011	HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
34	137258	1611.0	0.01%	1	1611	SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
35	266337	1607.0	0.04%	3	4821	MARLON LIMA GOMES ME, BR
36	215385	1570.5	0.03%	2	3141	ASN-ALONET, IT
37	131872	1523.5	0.03%	2	3047	IITP-AS-KR IITP, KR
38	328448	1520.0	0.01%	1	1520	Direction-Generale-Des-Impots-AS, BF
39	16992	1463.0	0.15%	12	17556	FLT-15, US
40	271482	1452.0	0.06%	5	7260	MEGA TELECOM FIBRA, BR
41	50861	1414.0	0.01%	1	1414	RZVA-AS, UA
42	12220	1357.8	0.09%	8	10862	I-EVOLVE-TECHNOLOGY-SERVICES, US
43	211188	1340.0	0.01%	1	1340	ASBTSLTD, GB
44	208337	1267.8	0.04%	4	5071	TELEMANAPOLI, IT
45	40138	1185.3	0.10%	12	11853	MDNET, US
46	204318	1169.0	0.01%	1	1169	BGPTOOLS-QA, GB
47	14713	1160.6	0.12%	12	13927	HBL-35-14713, US
48	139955	1155.5	0.06%	6	6933	DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
49	211865	1144.0	0.01%	1	1144	ASN-MONDOHITECH, IT
50	40764	1121.0	0.01%
Total		178202.5	4.61%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	168.0.128.0/22	29481	0.25%	263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
2	138.99.97.0/24	27354	0.23%	28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
3	177.46.36.0/24	26088	0.22%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
4	77.89.192.0/22	25861	0.22%	25454 -- ASN-OMD-FNO Orange Moldova Fixed Network Autonomous System, MD
5	140.174.37.0/24	25806	0.22%	63376 -- TOUCHTONE-CUSTS, US
6	38.224.214.0/24	25343	0.21%	174 -- COGENT-174, US
7	177.46.39.0/24	24796	0.21%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
8	81.90.133.0/24	18853	0.16%	25048 -- DSNET DSNet, GB
9	81.90.139.0/24	18841	0.16%	25048 -- DSNET DSNet, GB
10	81.90.132.0/24	18838	0.16%	25048 -- DSNET DSNet, GB
11	185.68.100.0/22	18488	0.16%	201643 -- EGOV66-AS, RU
12	188.213.84.0/23	17988	0.15%	20473 -- AS-VULTR, US
13	45.172.92.0/22	17245	0.14%	265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
14	103.123.24.0/23	14038	0.12%	138071 -- IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
15	124.195.190.0/24	13946	0.12%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
16	104.206.88.0/22	13779	0.12%	62904 -- AS62904, US
17	130.137.231.0/24	13570	0.11%	16509 -- AMAZON-02, US
18	202.181.232.0/23	12814	0.11%	7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
19	45.173.164.0/23	12573	0.11%	268817 -- Acelera Telecom, BR
20	186.251.12.0/22	11508	0.10%	263561 -- RODRIGO BORGHI DA SILVA & CIA LTDA, BR
21	203.145.74.0/24	11390	0.10%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
22	203.145.78.0/24	11330	0.10%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
23	202.45.88.0/24	11329	0.10%	17794 -- HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
24	130.137.12.0/24	10401	0.09%	16509 -- AMAZON-02, US
25	207.167.116.0/22	10116	0.08%	7954 -- IMMENSE-NETWORKS, US
26	130.137.108.0/24	10010	0.08%	16509 -- AMAZON-02, US
27	173.26.161.0/24	9582	0.08%	30036 -- MEDIACOM-ENTERPRISE-BUSINESS, US
28	84.205.66.0/24	9350	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
29	130.137.227.0/24	8565	0.07%	16509 -- AMAZON-02, US
30	130.137.130.0/24	8523	0.07%	16509 -- AMAZON-02, US
31	130.137.127.0/24	8477	0.07%	16509 -- AMAZON-02, US
32	130.137.230.0/24	8438	0.07%	16509 -- AMAZON-02, US
33	130.137.140.0/24	8404	0.07%	16509 -- AMAZON-02, US
34	130.137.99.0/24	8401	0.07%	16509 -- AMAZON-02, US
35	130.137.26.0/24	8352	0.07%	16509 -- AMAZON-02, US
36	130.137.105.0/24	8238	0.07%	16509 -- AMAZON-02, US
37	195.114.123.0/24	8228	0.07%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
38	173.82.67.0/24	8188	0.07%	16509 -- AMAZON-02, US
39	130.137.111.0/24	8164	0.07%	16509 -- AMAZON-02, US
40	173.82.63.0/24	8075	0.07%	16509 -- AMAZON-02, US
41	130.137.133.0/24	8018	0.07%	16509 -- AMAZON-02, US
42	130.137.121.0/24	8008	0.07%	8987 -- AMAZON EXPANSION, IE
43	130.137.28.0/24	7988	0.07%	16509 -- AMAZON-02, US
44	130.137.124.0/24	7966	0.07%	16509 -- AMAZON-02, US
45	130.137.102.0/24	7946	0.07%	16509 -- AMAZON-02, US
46	130.137.219.0/24	7914	0.07%	16509 -- AMAZON-02, US
47	130.137.136.0/24	7905	0.07%	16509 -- AMAZON-02, US
48	130.137.150.0/24	7900	0.07%	16509 -- AMAZON-02, US
49	130.137.78.0/24	7899	0.07%	16509 -- AMAZON-02, US
50	130.137.79.0/24	7832	0.07%	16509 -- AMAZON-02, US
Total		650147	5.53%

14 Day BGP Profile: 13-May-2025 00:00 - 26-May-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	27428933
Number of Prefix Updates:	11617331
Number of Prefix Withdrawals:	284193
Average Prefixes per BGP Update:	0.43
Average BGP Update Messages per second:	22.68
Average Prefix Updates per second:	9.84
Peak BGP Update Message Rate per second:	50128	(11:53:14 Wed, 14-May-2025)
Peak Prefix Update Rate per second:	1127	(00:45:36 Thu, 22-May-2025)
Peak Prefix Withdraw Rate per second:	35289	(12:00:34 Sun, 18-May-2025)
Prefix Count:	1030839
Updated Prefix Count:	784501
Stable Prefix Count:	246338
Origin AS Count:	76938
Updated Origin AS Count:	66725
Stable Origin AS Count:	10213
Unique Path Count:	604209
Updated Path Count:	481739
Stable Path Count:	122470

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.